.wrapper {
    display: flex;
    align-items: center;
    padding: 0 10px 0 20px;
    height: 80px;
    background: #eee;
}
.ipt {
    flex: 1;
    margin: 0 5px;
    line-height: 36px;
    background: #eee;
    color: #333;
    font-size: 28px;
    outline: none;
    border: none; /* 原生的input有点难看 */
    border-bottom: 1px solid #e4e4e4;
}
.box::placeholder {
    color: #1f1f1f;
}